[INFO] fetching crate milkbox 0.0.14...
[INFO] testing milkbox-0.0.14 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] extracting crate milkbox 0.0.14 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate milkbox 0.0.14
[INFO] finished tweaking crates.io crate milkbox 0.0.14
[INFO] tweaked toml for crates.io crate milkbox 0.0.14 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate milkbox 0.0.14 on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate milkbox 0.0.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/di/rs/dirs, error: No space left on device (os error 28)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded hyper-tls v0.5.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded ipnet v2.9.0
[INFO] [stderr]   Downloaded backtrace v0.3.69
[INFO] [stderr]   Downloaded base64 v0.21.7
[INFO] [stderr]   Downloaded try-lock v0.2.5
[INFO] [stderr] error: No space left on device (os error 28)


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
       warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/di/rs/dirs, error: No space left on device (os error 28)
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded windows-targets v0.48.5
         Downloaded hyper-tls v0.5.0
         Downloaded lazy_static v1.4.0
         Downloaded ipnet v2.9.0
         Downloaded backtrace v0.3.69
         Downloaded base64 v0.21.7
         Downloaded try-lock v0.2.5
       error: No space left on device (os error 28)